Use of auto that causes a copy
Unnecessary object copies can affect performance. Using the auto keyword leads to an object copy, even if it the variable is unused.
/data/mci/7b5199136d945ea4e1751b7b3bd3d384/bazel_cache/658afbbc91b088dd7e554f8eea998579/execroot/_main/src/mongo/db/s/resharding/resharding_coordinator_service_external_state.cpp:171: AUTO_CAUSES_COPY 175495 Using the "auto" keyword without an "&" causes the copy of an object of type "mongo::NamespaceString", even if that object is not read.